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https://git.osgeo.org/gitea/postgis/postgis
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94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
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/**********************************************************************
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*
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* PostGIS - Spatial Types for PostgreSQL
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* http://postgis.refractions.net
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*
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* Copyright (C) 2011 Sandro Santilli <strk@keybit.net>
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU General Public Licence. See the COPYING file.
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*
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**********************************************************************/
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#include "CUnit/Basic.h"
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#include "cu_tester.h"
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#include "liblwgeom.h"
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#include "liblwgeom_internal.h"
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static void test_lwline_split_by_point_to(void)
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{
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LWLINE *line;
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LWPOINT *point;
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LWMLINE *coll;
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int ret;
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/* Because i don't trust that much prior tests... ;) */
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cu_error_msg_reset();
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coll = lwmline_construct_empty(SRID_UNKNOWN, 0, 0);
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CU_ASSERT_EQUAL(coll->ngeoms, 0);
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line = lwgeom_as_lwline(lwgeom_from_wkt("LINESTRING(0 0,5 5, 10 0))",
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LW_PARSER_CHECK_NONE));
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CU_ASSERT(line != NULL);
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point = lwgeom_as_lwpoint(lwgeom_from_wkt(
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"POINT(0 0)",
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LW_PARSER_CHECK_NONE));
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ret = lwline_split_by_point_to(line, point, coll);
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CU_ASSERT_EQUAL(ret, 1);
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CU_ASSERT_EQUAL(coll->ngeoms, 0);
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lwgeom_free((LWGEOM*)point);
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point = lwgeom_as_lwpoint(lwgeom_from_wkt(
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"POINT(10 0)",
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LW_PARSER_CHECK_NONE));
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ret = lwline_split_by_point_to(line, point, coll);
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CU_ASSERT_EQUAL(ret, 1);
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CU_ASSERT_EQUAL(coll->ngeoms, 0);
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lwgeom_free((LWGEOM*)point);
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point = lwgeom_as_lwpoint(lwgeom_from_wkt(
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"POINT(5 0)",
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LW_PARSER_CHECK_NONE));
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ret = lwline_split_by_point_to(line, point, coll);
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CU_ASSERT_EQUAL(ret, 0);
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CU_ASSERT_EQUAL(coll->ngeoms, 0);
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lwgeom_free((LWGEOM*)point);
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point = lwgeom_as_lwpoint(lwgeom_from_wkt(
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"POINT(5 5)",
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LW_PARSER_CHECK_NONE));
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ret = lwline_split_by_point_to(line, point, coll);
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CU_ASSERT_EQUAL(ret, 2);
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CU_ASSERT_EQUAL(coll->ngeoms, 2);
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lwgeom_free((LWGEOM*)point);
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point = lwgeom_as_lwpoint(lwgeom_from_wkt(
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"POINT(2 2)",
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LW_PARSER_CHECK_NONE));
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ret = lwline_split_by_point_to(line, point, coll);
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CU_ASSERT_EQUAL(ret, 2);
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CU_ASSERT_EQUAL(coll->ngeoms, 4);
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lwgeom_free((LWGEOM*)point);
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lwgeom_free((LWGEOM*)coll);
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lwgeom_free((LWGEOM*)line);
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}
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/*
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** Used by test harness to register the tests in this file.
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*/
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/*
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** Used by test harness to register the tests in this file.
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*/
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CU_TestInfo split_tests[] =
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{
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PG_TEST(test_lwline_split_by_point_to),
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CU_TEST_INFO_NULL
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};
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CU_SuiteInfo split_suite = {"split", NULL, NULL, split_tests};
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